.header.in-header
  height 960px
  background url(../image/header-bg.png) no-repeat center
  font-family '方正悠黑简体_502L'
  .s-top
    height 96px
    width 1200px
    margin 0 auto
    text-align right
    img
      float left
      margin-top 24px
    .s-dh
      height 96px
      font-size 0
      line-height 106px
      a
        color #fff
        font-size 16px
        display inline-block
        width 113px
        text-align center
        height 100%
        border-bottom-left-radius 4px
        border-bottom-right-radius 4px
        font-family "微软雅黑"
        &.active
          background rgba(0,0,0,0.3)
          color #fff
  >.b-title
    margin-top 105px
    height 220px
    font-size 80px
    text-align center
    color #333333
    >p
      margin-top 37px
      font-size 36px
      color #76797b
.b-container
  >.b-content1
    position relative
    height 1804px
    background url("../image/bcontent1.png") no-repeat center
    >img
      position absolute
      top -448px
      left calc(50% - 600px)
      max-width 1200px
    >.project-bg
      margin 0 auto
      position relative
      top 410px
      width 834px
      color #333333
      font-size 18px
      >.pb-title
        height 85px
        font-family "宋体"
        text-align center
        >.pb-line
          display inline-block
          width 152px
          height 12px
          line-height 47px
          border-top 1px solid #e0e0e0
        >.pb-title1
          margin 0 33px
          display inline-block
          height 47px
          line-height 47px
          font-size 36px
          font-weight bold
        >p
          margin-top 18px
      >.pb-content
        margin-bottom 120px
        font-family "宋体"
        >p
          margin-top 30px
          line-height 30px
  >.b-content2
    position relative
    height 1306px
    background url("../image/bcontent2.png") no-repeat center
    >.prototype-design 
      position absolute
      top 364px
      right calc(50% - 616px)
      width 465px
      height 160px
      font-family "宋体"
      font-size 22px
      color #666666
      line-height 40px
  >.b-content3
    position relative
    height 1321px
    background url("../image/bcontent3.png") no-repeat center
    >.presentation
      position absolute
      top 281px
      left calc(50% - 585px)
      width 1169px
      height 116px
      font-family "宋体"
      font-size 22px
      color #999999
      line-height 40px
  >.b-content4
    position relative
    height 1191px
    background url("../image/bcontent4.png") no-repeat center
    >.mobile-page
      position absolute
      top 200px
      left calc(50% - 585px)
      width 1170px
      height 67px
      font-family "宋体"
      font-size 18px
      color white
      line-height 33px
.theend
  position relative
  img
    width 100%
  .most-con
    width 100%
    font-size 0
    padding 0 calc(50% - 600px)
    box-sizing border-box
    margin-top -4px
    height 154px
    padding-top 57px
    a
      width 180px
      height 58px
      border 1px solid #979797
      box-sizing border-box
      text-align center
      line-height 58px
      display inline-block
      color #8e8f8f
      font-size 18px
    .prev
      float left
    .next
      float right
.case-li
  width 100%
  height 324px
  background #f4f4f6
  padding 52px calc(50% - 600px)
  box-sizing border-box
  position relative
  .swi
    width 1200px
    margin 0 auto
    position relative
    .swiper-container
      width 1100px
    .swiper-button-next
      background-image url(../image/Next-b.png) !important
    .swiper-button-prev
      background-image url(../image/prev-b.png) !important
    a
      display block
      width 362px
      height 214px
      position relative
      img
        width 362px
        height 214px
      .op
        width 362px
        height 215px
        background rgba(0,0,0,0.9)
        position absolute
        left 0
        top 0
        opacity 0
        transition 0.3s
        .title
          text-align center
          margin-top 65px
          span
            font-size 30px
            color #ffffff
            font-family '方正悠黑简体_502L'
            border-bottom 1px solid #81838a
            padding-bottom 12px
        .msg
          font-size 14px
          color #ffffff
          text-align center
          width 90px
          height 24px
          line-height 24px
          background #2b45c3
          margin 0 auto
          margin-top 30px
        &:hover
          opacity 1